Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Lady Mary Grey | Statement: [Lady Caroline Grey, relative, Lady Mary Grey]

Target entity: Lady Mary Grey
Context triple: [Lady Caroline Grey, relative, Lady Mary Grey]

• A. Lady Elizabeth Grey
  Lady Elizabeth Grey is a British aristocrat and member of the Grey family, known primarily through her connections within the British nobility.
• B. Lady Anne FitzRoy
  Lady Anne FitzRoy was an English noblewoman of the late 17th and early 18th centuries, notable as a granddaughter of King Charles II through the influential FitzRoy family.
• C. Lady Anne Seymour
  Lady Anne Seymour was an English noblewoman of the 17th century who became Duchess of Leeds through her marriage into the prominent Osborne family.
• D. Lady Anne Seymour
  Lady Anne Seymour was a British aristocrat of the 18th century, born into the influential Seymour-Conway family headed by the 1st Marquess of Hertford.
• E. Mary Howard, Duchess of Richmond
  Mary Howard, Duchess of Richmond, was an English noblewoman of the Tudor court who became the wife of Henry FitzRoy, the acknowledged illegitimate son of King Henry VIII.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Lady Mary Grey
Triple: [Lady Caroline Grey, relative, Lady Mary Grey]

Lady Mary Grey was the youngest daughter of Henry Grey, Duke of Suffolk, and sister of Lady Jane Grey, whose secret marriage and royal bloodline placed her at the center of Tudor court intrigue and confinement.

Target entity: Lady Mary Grey
Target entity description: Lady Mary Grey was the youngest daughter of Henry Grey, Duke of Suffolk, and sister of Lady Jane Grey, whose secret marriage and royal bloodline placed her at the center of Tudor court intrigue and confinement.

• A. Lady Elizabeth Grey
  Lady Elizabeth Grey is a British aristocrat and member of the Grey family, known primarily through her connections within the British nobility.
• B. Lady Anne FitzRoy
  Lady Anne FitzRoy was an English noblewoman of the late 17th and early 18th centuries, notable as a granddaughter of King Charles II through the influential FitzRoy family.
• C. Lady Anne Seymour
  Lady Anne Seymour was an English noblewoman of the 17th century who became Duchess of Leeds through her marriage into the prominent Osborne family.
• D. Lady Anne Seymour
  Lady Anne Seymour was a British aristocrat of the 18th century, born into the influential Seymour-Conway family headed by the 1st Marquess of Hertford.
• E. Mary Howard, Duchess of Richmond
  Mary Howard, Duchess of Richmond, was an English noblewoman of the Tudor court who became the wife of Henry FitzRoy, the acknowledged illegitimate son of King Henry VIII.
• F. None of above. chosen